I have just sent an updated version of Rock and Roll with Ember.js to my readers. The app now runs on Ember 2.4.3.
The biggest change in this release is that I now leverage code diffs in code snippets, where this makes understanding changes easier. It looks like this in the pdf version:
Since the last release was more than two months ago and I constantly improve things, there is a whole slew of other changes that you can see here.
If you are not yet a reader yet and want to have an always up-to-date Ember guide book, sign up below to get a sample chapter: